覆蓋形 的英文怎麼說

中文拼音 [xíng]
覆蓋形 英文
covering complex
  • : 動詞1. [書面語] (蓋住) cover 2. [書面語] (底朝上翻過來; 歪倒) overturn; upset 3. 同 「復」 (Ⅱ1. 2. )
  • : 蓋名詞(姓氏) a surname
  • 覆蓋 : 1 (遮蓋) cover; overlap 2 (植被) plant cover; vegetation3 (保護層 覆蓋物) cover; covering; ...
  1. For this purpos, from the point of the log geology, aimed at the actuality of the current fractured reservoir log geology interpretation and evaluation, based on synthetical analysis of the current domestic and foreign fruit of fractal dimension investigation of reservoir fracture, using the method and technique of fractal dimension, through the further discussion of the fractal dimension characteristics of m index and n index in the log interpretation archie model in a sample way and through the theoretic reasoning to the fractal dimension dfa and m index of fractured reservoir interval ' s log curve, according to the geophysical signification of the fractal dimension dfa of fractured reservoir interval ' s log curve shape : the more complicated the change of the curve shape is, the larger the its dfa value is, then the more complicated space structure of fracture and pore, then the higher value of m index of space structure of fracture and pore, and so on, the text propounds an improved method, based on box dimension, of covering log curve with scale grid, and by programming computes the dfa and its m index value of fractured reservoir interval ' s log curve, for instance, ac and rt curve, ect, then further puts this technique into application investigation, and makes analysis of application effects in the reservoirs located in l area of qx oil field from three aspects : 1. the dfa and its m index value of fractured reservoir interval ' s log curve, for instance, ac and rt curve, ect, which are derived from computing, is used to identify reservoir type by crossplotting m index with the product df _ acrt of fractal dimension of acoustical wave log curve and restivity log curve and by experiential discriminance plate of reservoir type in l area of qx oil field

    因此,對該區裂縫性儲集層的類型識別、孔滲特徵的測井地質解釋以及儲層裂縫的發育和分佈規律進行深入的研究便成為本文研究的出發點。為此,本文從測井地質的角度,針對當前裂縫性儲層測井地質解釋與評價的現狀,在綜合分析當前國內外儲層裂縫的分分維研究成果的基礎上,利用分分維方法和技術,通過對archie測井解釋模型中的m指數、 n指數的分分維特性的深入淺出的論述以及裂縫性儲層段測井曲線分維d _ ( fa )與m指數的理論推導,根據裂縫性儲層測井曲線態分維值的地球物理意義? ?曲線變化越復雜,則其分維值d _ ( fa )越大、裂縫孔隙空間結構越復雜、裂縫孔隙空間結構指數m值越高等特徵,提出了改進的基於盒維數的測井曲線網格法,編程計算了裂縫性儲層段常規測井曲線(如聲波和電阻率曲線)上分分維值及其m指數值,進而從以下三個方面對qx油田l區塊的裂縫油藏進行應用研究,效果十分理想: 1將計算得到的可變的m指數與聲波和電阻率分維之積df _ acrt進行交繪,採用儲層分維值分類技術統計分析這些參數變化的規律,並結合qx油田l區塊儲層類型經驗判別圖版,從而實現qx油田l區塊下白堊統的裂縫性儲層的類型識別。
  2. Waxes form a continuous lipid membrance covering the epidermal cells of all aerial plant organs. it mainly comprised of lony - chain aliphatic compounds derived from very long chain fatty acids that are enlongedsfrom c16 - or c18 - long fatty acids in er by many fatty acid elongation ( fae ) complexs

    陸生植物的氣生器官的表皮著一層由蠟質成的脂膜,它主要由長鏈疏水物質組成的,這些物質是特長鏈脂肪酸的衍生物。
  3. Based on the actual situation in the upper reaches of minjiang river, the main assessment factors such as strata structure, landform, vegetation covering eco - environment, surface water, ground water, agrotype and geological hazard are selected in this paper

    本文根據岷江上游的實際情況選取巖性構造、地地貌、植被生態區、地表水、地下水、土壤類型及地質災害等因素作為評價因子。
  4. The dirty, still air covers los angeles like a blanket, gradually building up into a thick, smelly, foggy, smokelike layer.

    塵污和靜止的空氣象一個罩子一樣著洛杉磯,逐漸成了一個濃密的帶有臭味的,霧蒙的煙層。
  5. In places, hill - slope debris forms a mantle over the bedrock and alluvium fills some of the valleys

    在部分地方,基巖表面由巖石碎屑堆積層,而部分河谷則有沖積層。
  6. We provides a wide range of machines in the field, including 4 casses and more than 20 categories, such as screw dough mixers, paste dividing machine, shapc reparing machine, demark crisp machine and rotary frolley ovens and so on, which all sold out due to reasonable rice and reliable performance covering the market in north china and even exported to africa, south - east asia and south america, etc

    本公司產品現已成四大類二十多個品種,主要生產的和面機、分塊機、整機、酥皮機、熱風旋轉爐等麵包機械,依靠合理的價位、可靠的性能了中國北方地區,並遠銷非洲、東南亞、南美洲等地區,產銷率100 % 。
  7. Covering differentiable manifold

    微分流
  8. Make full use of already achievement of some information scientific research and technical advantage, already formed information of standard of more than 60 flowers and trees to collect bit of ; 100 in the whole nation at present more than trade service station, enclothe countrywide main flowers and trees basically to produce a division

    充分利用已有的信息科研成果和技術優勢,目前在全國已成60餘個花木標準信息採集點; 100餘個交易服務站,基本全國主要花木產區。
  9. Based on the relative independence of mathematical cover and physical grid, and considering the action of truely existent various equilibrant force in system for system balance, a method of simulation for excavation unloading using numerical manifold method in geotechnical engineering is proposed

    摘要基於數值流方法數學與物理網格的相對獨立性,考慮任一時刻體系中真實存在的各平衡力項對體系平衡的作用,提出用數值流方法模擬巖土工程開挖卸荷的方法。
  10. Manifold method in fem and its application

    四個物理構成一個單元的流方法及應用
  11. Computer graphics principles and practice, by james d. foley, andries van dam, steven k. feiner and john f. hughes

    這本書了計算機圖學的方方面面,一直以來都被視為圖學的經典著作.值得深讀
  12. The anterior peritoneum covers the superior surface of the bladder, forming a paravesical fossa on each side ( 9 )

    前側的腹膜膀胱的前面,兩側成膀胱旁窩。
  13. Plastic mulches create a barrier preventing fumigant gases from escaping to the atmosphere, thereby increasing their effectiveness

    塑料薄膜可以成防止煙熏氣體逸散到大氣的屏障,所以提高煙熏氣體的殺蟲效果。
  14. Testa the hard dry protective covering of a seed, formed from the integuments of the ovule. after fertilization the layers of the integuments fuse and become thickened and pigmented

    外種皮:在種子外部的堅硬幹燥的保護層,由胚珠的珠被發育成。受精作用后珠被各層發生融合併加厚著色。
  15. 5 attached to this letter you will find our proforma invoice in triplicate covering 500, 000 knitting needles

    附上這封信件你將發現我們的一式三份式發票500 , 000針織。
  16. Liberation of hydrogen gas would be increased rapidly and sic particles on the surface might be dispersed if the current density exceed the upper limit. furthermore, nickelous hydroxide would be deposited because the ph of plating solution nearby the surface rapidly increased. all of above might result in coating deterioration

    若電流密度過大,超過所允許的上限值,會析出大量的氫氣,可能沖散表面的sic微粒,而且易使磨頭表面鍍液ph值急劇上升而成氫氧化鎳沉澱,導致鍍層質量惡化。
  17. The sahara ' s topographical features include shallow basins, large oasis depressions, serirs or regs ( gravel - covered plains ), plateaus, mountains, sand sheets, dunes and sand seas ( ergs )

    撒哈拉沙漠地特點包括:淺的盆地、大的蕭條的綠洲、砂礫性沙漠或礫質沙漠(碎石的平原) 、高原、沙席(小沙原) ,沙丘和沙海(砂質沙漠) 。
  18. Fortunately, the modern geodetic measurements such as the global positioning system ( gps ) technique can overcome the shortage of the geological and seismographic methods in the time dimension ; and yet, the coverage of the geodetic survey stations is not sufficient. as a result, it is necessary to employ numerical simulation to investigate the continuous deformation of the crust

    而以全球定位系統( gps )等技術為主的大地測量方法彌補了地質和地震學方法在時間維上的不足,但大地測量方法存在測點不足及測點地理分佈不均勻的缺點,因此,要得到連續的地殼變場有必要藉助數值模擬方法。
  19. To the influence of the plateau terrain, the impact of the elevation and the roughness of terrain to every energy component out and incoming are study, and basing the soil spectrum model proposed above, a new radiative transfer model of terrain area was put forwarded in which the soil water content, lai, terrain roughness and elevation were considered synchronously, and incoming scatter light was integral with the solid angle of semi - globe space defined by the slope of the pixel, so scattering lights of terrain and the sky are properly considered, but the operation is still within the acceptable range

    與反射率的關系是本文研究的一個重點。本文對崎嶇山地象元的各入射光和反(散)射光分量進行了深入分析,在所提出的濕潤土壤光譜模型和植被冠層模型的基礎之上進一步提出了新的適合青藏高原的山地輻射傳輸模型。該模型同時考慮了土壤含水量、植被( lai ) 、地起伏和海拔高度的影響,並以象元坡面定義的半球空間立體角對環境入射光進行積分,使周圍地和天空散射光均得到適當考慮,計算量又在可接受范圍內。
  20. This paper referred to the massive domestic and foreign technical material, elaborated in the sheet forming value simulation theory essential technology in detail, points out when analysis sheet forming question should use the big distortion ball plasticity fem and introduce the application characteristic and the function summarizes of the sheet forming simulation software dynaform. secondly, analyzed the cover forming characteristic, simultaneously introduced the influence cover forming factor in detail : such as ramming direction, the craft addendum surface and the material pressing surface, the radius of convex - concave mold, draw bead, pressure strength, blank size and craft margin and so on. and simulates many typical automobiles cover panel with software : such lateral board, back taillight pedestal and storage cover

    其次,分析了件成的特點和要求,同時詳細介紹了影響件成的因素如沖壓方向、工藝補充面和壓料面、凸凹模圓角、拉延筋、壓邊力、坯料尺寸和工藝切口等,並用數值模擬軟體對多個典型的汽車件汽車后側圍板、后燈座以及轎車后備箱的沖壓成情況進行模擬,用模擬結果優化拉延工藝方案,比較了內件和外件在成特點和要求的一些異同點,以及常見的起皺、拉裂和回彈、成不足等缺陷的產生機理和相應對策,重點介紹工藝補充面和壓料面的設計及優化方法,因為拉延是沖壓工藝的關鍵工序,而工藝補充面和壓料面的設計是拉延工序的關鍵,對消除缺陷至關重要。
分享友人